Bicycle trailer rack



FIG. 1 is a front left side perspective of a bicycle trailer rack showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view.

The broken lines showing of the four bike trailers in FIG. 1 is for illustrative purposes only and is not part of the claimed design. 

The ornamental design for a bicycle trailer rack, as shown and described. 